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Conrail's assets were split between Norfolk Southern and CSX in 1999, and all 24 of Conrail's SD70 units went to NS. Other than the CR paint scheme these units were built to NS specifications and numbered (2557 - 2580) in series with Norfolk Southern's already purchased SD70s. Production of the standard cab at EMD's London, Ontario plant ended ...
The model meets the EPA Tier 2 emission requirements using the two-stroke 710 diesel engine. The following year Norfolk Southern became the first carrier to receive the new SD70M-2 - successor to the SD70M. Like its sister road switcher, the SD70ACe, the SD70M-2 meets the United States EPA Tier 2 diesel emissions requirements using the same engine.
By increasing the output of the 16-710-G3 engine from 4,000 to 4,300 horsepower (3,000 to 3,200 kW), the SD75 was a reality. The "M" in the model designation is the style of the cab, in this case the North American style cab. The "I" model has an "Isolated Cab", or a "WhisperCab" in EMD speak, which reduces noise and vibration in the cab.
The Norfolk Southern Railway did the same in 2012 with 20 of its locomotives for its 30th Railroad Anniversary. [4] 10 of them are EMD SD70ACes, while the others are GE ES44AC units. For its 40th anniversary in 2011, Amtrak painted four GE P42DCs, a P40DC, and an EMD F40PH converted to an NPCU into its older paint schemes. Several more were ...
The locomotives are not a part of the SD80 series, but are completely based on it, making it the second International application of the V20-710 prime mover, after the Brazilian SD80ACe. After the split of Conrail in 1999, the SD80MACs were split up between the Norfolk Southern Railway and CSX Transportation. Norfolk Southern received 17 units ...
A Norfolk Southern EMD SD60E locomotive in Ayer, Massachusetts. The SD60E is a custom rebuild of standard cab SD60 for Norfolk Southern created at the Juniata Shops with the prototype being delivered in 2010 and the majority of the production taking place between 2013 and 2017. The SD60E utilizes a new NS-designed wide nose cab with increased ...
The EMD SD90MAC is a model of 6,000 hp (4,470 kW) [1] C-C diesel-electric locomotive produced by General Motors Electro-Motive Division (EMD). It is, with the SD80MAC, one of the largest single-engined locomotives produced by EMD and among the most powerful diesel-electric locomotives, surpassed only by the dual-engined DDA40X.
The "S" designation originally stood for six hundred horsepower and the "N" designation for nine hundred horsepower, although they were used for the more general designation of smaller and larger engine models after the more powerful 567 model engines replaced the Winton engines. The "C" designation stood for cast frame locomotives and the "W ...